====================================== | [ 11.929020][ T231] netconsole: network logging started | [ 12.897720][ T218] ------------[ cut here ]------------ | [ 12.898147][ T218] WARNING: CPU: 3 PID: 218 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) | [ 12.898614][ T218] Modules linked in: netconsole netdevsim [ 12.899262][ T218] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.899632][ T218] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 12.899946][ T218] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 90 0c 00 00 be ff ff ff ff e8 08 e9 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03 All code ======== 0: 00 e8 add %ch,%al 2: a3 4a fe ff 48 8b 5c movabs %eax,0x58245c8b48fffe4a 9: 24 58 b: e9 87 fb ff ff jmp 0xfffffffffffffb97 10: 49 8d bf 90 0c 00 00 lea 0xc90(%r15),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 08 e9 78 00 call 0x78e929 21: 85 c0 test %eax,%eax 23: 0f 85 99 00 00 00 jne 0xc2 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 34: fc ff df 37: 48 8b 54 24 20 mov 0x20(%rsp),%rdx 3c: 48 c1 ea 03 shr $0x3,%rdx Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax a: fc ff df d: 48 8b 54 24 20 mov 0x20(%rsp),%rdx 12: 48 c1 ea 03 shr $0x3,%rdx [ 12.900766][ T218] RSP: 0018:ffffc90000a47548 EFLAGS: 00010246 [ 12.901040][ T218] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 12.901382][ T218] RDX: 0000000000000000 RSI: ffff88800b832c90 RDI: ffff88800af7d0f8 [ 12.901751][ T218] RBP: ffffffffb5d28600 R08: 0000000000000000 R09: fffffbfff677d944 [ 12.902102][ T218] R10: ffffffffb3beca27 R11: ffff88800af7c5c0 R12: 0000000000000000 [ 12.902552][ T218] R13: ffff88800b832128 R14: ffff88800b832008 R15: ffff88800b832000 [ 12.902908][ T218] FS: 00007f5a2237d740(0000) GS:ffff888036180000(0000) knlGS:0000000000000000 [ 12.903345][ T218] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 12.903891][ T218] CR2: 00007f5a22531733 CR3: 000000000a948006 CR4: 0000000000772ef0 [ 12.904274][ T218] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 12.904629][ T218] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 12.904965][ T218] PKRU: 55555554 [ 12.905140][ T218] Call Trace: [ 12.905343][ T218] [ 12.905469][ T218] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 12.905704][ T218] ? __warn (kernel/panic.c:748) [ 12.905880][ T218] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 12.906114][ T218] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 12.906351][ T218] ? handle_bug (arch/x86/kernel/traps.c:285) [ 12.906524][ T218] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 12.906744][ T218] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 12.907002][ T218] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 12.907242][ T218] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) [ 12.907476][ T218] ? __pfx___netdev_update_features (net/core/dev.c:10559) [ 12.907770][ T218] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) [ 12.908011][ T218] ? netdev_register_kobject (net/core/net-sysfs.c:2344) [ 12.908254][ T218] register_netdevice (net/core/dev.c:11003) [ 12.908497][ T218] ? __pfx_register_netdevice (net/core/dev.c:10881) [ 12.908773][ T218] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim [ 12.909035][ T218] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim [ 12.909348][ T218] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim [ 12.909627][ T218] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim [ 12.909903][ T218] nsim_drv_probe (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1607) netdevsim [ 12.910145][ T218] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim [ 12.910437][ T218] ? kernfs_create_link (fs/kernfs/symlink.c:48) [ 12.910740][ T218] ? kernfs_put (./arch/x86/include/asm/atomic.h:67 (discriminator 1) ./include/linux/atomic/atomic-arch-fallback.h:2278 (discriminator 1) ./include/linux/atomic/atomic-instrumented.h:1384 (discriminator 1) fs/kernfs/dir.c:557 (discriminator 1)) [ 12.910930][ T218] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) [ 12.911187][ T218] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) [ 12.911426][ T218] __driver_probe_device (drivers/base/dd.c:800) [ 12.911648][ T218] driver_probe_device (drivers/base/dd.c:830) [ 12.911881][ T218] __device_attach_driver (drivers/base/dd.c:959) [ 12.912123][ T218] ? __pfx___device_attach_driver (drivers/base/dd.c:922) [ 12.912401][ T218] bus_for_each_drv (drivers/base/bus.c:462) [ 12.912648][ T218] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) [ 12.912872][ T218] ? bus_to_subsys (drivers/base/bus.c:85) [ 12.913111][ T218] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 12.913350][ T218] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 12.913578][ T218] __device_attach (drivers/base/dd.c:1030) [ 12.913798][ T218] ? __pfx___device_attach (drivers/base/dd.c:1001) [ 12.914014][ T218] ? bus_to_subsys (drivers/base/bus.c:85) [ 12.914318][ T218] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.914556][ T218] bus_probe_device (drivers/base/bus.c:537) [ 12.914816][ T218] device_add (drivers/base/core.c:3672) [ 12.915058][ T218] ? __pfx_device_add (drivers/base/core.c:3548) [ 12.915281][ T218] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) [ 12.915515][ T218] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim [ 12.915793][ T218] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim [ 12.916084][ T218] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) [ 12.916308][ T218] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) [ 12.916517][ T218] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) [ 12.916719][ T218] kernfs_fop_write_iter (fs/kernfs/file.c:334) [ 12.916938][ T218] vfs_write (fs/read_write.c:586 fs/read_write.c:679) [ 12.917132][ T218] ? __pfx_vfs_write (fs/read_write.c:660) [ 12.917372][ T218] ? __lock_release (kernel/locking/lockdep.c:5527) [ 12.917643][ T218] ? do_user_addr_fault (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) [ 12.917978][ T218] ? __pfx___up_read (kernel/locking/rwsem.c:1337) [ 12.918271][ T218] ksys_write (fs/read_write.c:731) [ 12.918432][ T218] ? __pfx_ksys_write (fs/read_write.c:721) [ 12.918663][ T218] ? do_user_addr_fault (./include/linux/rcupdate.h:882 ./include/linux/mm.h:742 arch/x86/mm/fault.c:1339) [ 12.918896][ T218] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 12.919128][ T218] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 12.919489][ T218] RIP: 0033:0x7f5a224beb77 [ 12.919849][ T218] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 All code ======== 0: 0b 00 or (%rax),%eax 2: f7 d8 neg %eax 4: 64 89 02 mov %eax,%fs:(%rdx) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b7 jmp 0xffffffffffffffc7 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 01 00 00 00 mov $0x1,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 48 89 54 24 18 mov %rdx,0x18(%rsp) 3c: 48 rex.W 3d: 89 .byte 0x89 3e: 74 24 je 0x64 Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 48 89 54 24 18 mov %rdx,0x18(%rsp) 12: 48 rex.W 13: 89 .byte 0x89 14: 74 24 je 0x3a [ 12.921010][ T218] RSP: 002b:00007ffc734d8c08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 12.921552][ T218] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5a224beb77 [ 12.922066][ T218] RDX: 0000000000000004 RSI: 00005561092b3110 RDI: 0000000000000001 [ 12.922556][ T218] RBP: 00005561092b3110 R08: 0000000000000000 R09: 00007f5a225314e0 [ 12.923074][ T218] R10: 00007f5a225313e0 R11: 0000000000000246 R12: 0000000000000004 [ 12.923598][ T218] R13: 00007f5a2257a760 R14: 0000000000000004 R15: 00007f5a225759c0 | [ 12.963786][ T218] ------------[ cut here ]------------ | [ 12.964410][ T218] WARNING: CPU: 1 PID: 218 at ./include/net/netdev_lock.h:52 __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) | [ 12.965116][ T218] Modules linked in: netconsole netdevsim | [ 12.966151][ T218] Tainted: [W]=WARN [ 12.966508][ T218] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.966979][ T218] RIP: 0010:__netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 12.967441][ T218] Code: 00 e8 a3 4a fe ff 48 8b 5c 24 58 e9 87 fb ff ff 49 8d bf 90 0c 00 00 be ff ff ff ff e8 08 e9 78 00 85 c0 0f 85 99 00 00 00 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 20 48 c1 ea 03 All code ======== 0: 00 e8 add %ch,%al 2: a3 4a fe ff 48 8b 5c movabs %eax,0x58245c8b48fffe4a 9: 24 58 b: e9 87 fb ff ff jmp 0xfffffffffffffb97 10: 49 8d bf 90 0c 00 00 lea 0xc90(%r15),%rdi 17: be ff ff ff ff mov $0xffffffff,%esi 1c: e8 08 e9 78 00 call 0x78e929 21: 85 c0 test %eax,%eax 23: 0f 85 99 00 00 00 jne 0xc2 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 34: fc ff df 37: 48 8b 54 24 20 mov 0x20(%rsp),%rdx 3c: 48 c1 ea 03 shr $0x3,%rdx Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax a: fc ff df d: 48 8b 54 24 20 mov 0x20(%rsp),%rdx 12: 48 c1 ea 03 shr $0x3,%rdx [ 12.968754][ T218] RSP: 0018:ffffc90000a47548 EFLAGS: 00010246 [ 12.969220][ T218] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001 [ 12.969725][ T218] RDX: 0000000000000000 RSI: ffff88800ab2ac90 RDI: ffff88800af7d0f8 [ 12.970243][ T218] RBP: ffffffffb5d28600 R08: 0000000000000000 R09: fffffbfff677d944 [ 12.970784][ T218] R10: ffffffffb3beca27 R11: ffff88800af7c5c0 R12: 0000000000000000 [ 12.971294][ T218] R13: ffff88800ab2a128 R14: ffff88800ab2a008 R15: ffff88800ab2a000 [ 12.972148][ T218] FS: 00007f5a2237d740(0000) GS:ffff888036080000(0000) knlGS:0000000000000000 [ 12.972785][ T218] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 12.973227][ T218] CR2: 00000000004060bb CR3: 000000000a948004 CR4: 0000000000772ef0 [ 12.973815][ T218] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 12.974370][ T218] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 12.974888][ T218] PKRU: 55555554 [ 12.975146][ T218] Call Trace: [ 12.975420][ T218] [ 12.975594][ T218] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 12.975952][ T218] ? __warn (kernel/panic.c:748) [ 12.976269][ T218] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 12.976623][ T218] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 12.976984][ T218] ? handle_bug (arch/x86/kernel/traps.c:285) [ 12.977262][ T218] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 12.977601][ T218] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 12.977980][ T218] ? __netdev_update_features (./include/net/netdev_lock.h:52 ./include/net/netdev_lock.h:49 net/core/dev.c:10566) [ 12.978335][ T218] ? __netdev_update_features (./include/net/netdev_lock.h:52 net/core/dev.c:10566) [ 12.978684][ T218] ? __pfx___netdev_update_features (net/core/dev.c:10559) [ 12.979128][ T218] ? _raw_spin_unlock_irq (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:97 ./include/linux/spinlock_api_smp.h:159 kernel/locking/spinlock.c:202) [ 12.979498][ T218] ? netdev_register_kobject (net/core/net-sysfs.c:2344) [ 12.979842][ T218] register_netdevice (net/core/dev.c:11003) [ 12.980240][ T218] ? __pfx_register_netdevice (net/core/dev.c:10881) [ 12.980615][ T218] nsim_create (drivers/net/netdevsim/netdev.c:958 drivers/net/netdevsim/netdev.c:1018) netdevsim [ 12.981006][ T218] __nsim_dev_port_add (drivers/net/netdevsim/dev.c:1393) netdevsim [ 12.981465][ T218] ? __pfx___nsim_dev_port_add (drivers/net/netdevsim/dev.c:1357) netdevsim [ 12.981934][ T218] ? nsim_dev_hwstats_init (./include/linux/workqueue.h:817 drivers/net/netdevsim/hwstats.c:442) netdevsim [ 12.982396][ T218] nsim_drv_probe (drivers/net/netdevsim/dev.c:1450 drivers/net/netdevsim/dev.c:1607) netdevsim [ 12.982762][ T218] ? __pfx_nsim_drv_probe (drivers/net/netdevsim/dev.c:1528) netdevsim [ 12.983216][ T218] ? kernfs_create_link (fs/kernfs/symlink.c:48) [ 12.983562][ T218] ? kernfs_put (./arch/x86/include/asm/atomic.h:67 (discriminator 1) ./include/linux/atomic/atomic-arch-fallback.h:2278 (discriminator 1) ./include/linux/atomic/atomic-instrumented.h:1384 (discriminator 1) fs/kernfs/dir.c:557 (discriminator 1)) [ 12.983811][ T218] ? sysfs_do_create_link_sd (fs/sysfs/symlink.c:48) [ 12.984213][ T218] really_probe (drivers/base/dd.c:579 drivers/base/dd.c:658) [ 12.984557][ T218] __driver_probe_device (drivers/base/dd.c:800) [ 12.984897][ T218] driver_probe_device (drivers/base/dd.c:830) [ 12.985256][ T218] __device_attach_driver (drivers/base/dd.c:959) [ 12.985591][ T218] ? __pfx___device_attach_driver (drivers/base/dd.c:922) [ 12.985999][ T218] bus_for_each_drv (drivers/base/bus.c:462) [ 12.986366][ T218] ? __pfx_bus_for_each_drv (drivers/base/bus.c:450) [ 12.986737][ T218] ? bus_to_subsys (drivers/base/bus.c:85) [ 12.987108][ T218] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 12.987516][ T218] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) [ 12.987862][ T218] __device_attach (drivers/base/dd.c:1030) [ 12.988237][ T218] ? __pfx___device_attach (drivers/base/dd.c:1001) [ 12.988575][ T218] ? bus_to_subsys (drivers/base/bus.c:85) [ 12.988939][ T218] ? do_raw_spin_unlock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.989352][ T218] bus_probe_device (drivers/base/bus.c:537) [ 12.989730][ T218] device_add (drivers/base/core.c:3672) [ 12.990140][ T218] ? __pfx_device_add (drivers/base/core.c:3548) [ 12.990535][ T218] ? __init_waitqueue_head (./include/linux/list.h:37 kernel/sched/wait.c:12) [ 12.990956][ T218] new_device_store (drivers/net/netdevsim/bus.c:443 drivers/net/netdevsim/bus.c:173) netdevsim [ 12.991462][ T218] ? __pfx_new_device_store (drivers/net/netdevsim/bus.c:142) netdevsim [ 12.991932][ T218] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) [ 12.992313][ T218] ? sysfs_file_ops (fs/sysfs/file.c:31 (discriminator 1)) [ 12.992671][ T218] ? __pfx_sysfs_kf_write (fs/sysfs/file.c:132) [ 12.993000][ T218] kernfs_fop_write_iter (fs/kernfs/file.c:334) [ 12.993374][ T218] vfs_write (fs/read_write.c:586 fs/read_write.c:679) [ 12.993659][ T218] ? __pfx_vfs_write (fs/read_write.c:660) [ 12.994009][ T218] ? find_held_lock (kernel/locking/lockdep.c:5341) [ 12.994402][ T218] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) [ 12.994794][ T218] ksys_write (fs/read_write.c:731) [ 12.995048][ T218] ? __pfx_ksys_write (fs/read_write.c:721) [ 12.995429][ T218] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 12.995778][ T218] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 12.996246][ T218] RIP: 0033:0x7f5a224beb77 [ 12.996608][ T218] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 All code ======== 0: 0b 00 or (%rax),%eax 2: f7 d8 neg %eax 4: 64 89 02 mov %eax,%fs:(%rdx) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b7 jmp 0xffffffffffffffc7 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 01 00 00 00 mov $0x1,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 48 89 54 24 18 mov %rdx,0x18(%rsp) 3c: 48 rex.W 3d: 89 .byte 0x89 3e: 74 24 je 0x64 Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 48 89 54 24 18 mov %rdx,0x18(%rsp) 12: 48 rex.W 13: 89 .byte 0x89 14: 74 24 je 0x3a [ 12.997854][ T218] RSP: 002b:00007ffc734d8c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 12.998429][ T218] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5a224beb77 [ 12.998924][ T218] RDX: 0000000000000004 RSI: 00005561092b3110 RDI: 0000000000000001 [ 12.999440][ T218] RBP: 00005561092b3110 R08: 0000000000000000 R09: 00007f5a225314e0 [ 12.999964][ T218] R10: 00007f5a225313e0 R11: 0000000000000246 R12: 0000000000000004 Finger prints: __netdev_update_features:register_netdevice:nsim_create:__nsim_dev_port_add:nsim_drv_probe